"Octrooiwezen." . . "Technology." . . "Brevets d'invention Histoire." . . "Documentation technique Analyse et indexation des documents." . . "Information Services." . . "Tecnología de la información." . . . . "Documentació" . . "Documentació." . "Patents as Topic." . . "Information technique Bibliographie." . . . . . . "Technical information sources : a guide to patents standards and technical reports literature" . "Technical information sources : a guide to patents standards and technical reports literature"@en . . . "Technical information sources" . . . . . "Technical information : a guide to patents, standards and technical reports literature"@en . . . . . "Technical information sources; a guide to patents standards and technical reports literature" . "Technical information sources; a guide to patents standards and technical reports literature"@en . . . . . . "Technical information sources : A guide to patent specifications, standards and technical reports literature" . "Technical information sources; a guide to patent specifications, standards, and technical reports literature" . "Technical information sources a guide to patent specifications, standards and technical reports literature" . . . . "Technical Information Sources" . . "Technical information sources: a guide to patent specifications, standards and technical reports literature" . . . "Technical information sources a guide to patents standards and technical reports literature"@en . . "Technical information sources : a guide to patents, standards and technical reports literature, by Bernard Houghton" . . . . "Technical information sources a guide to patent specifications, standards, and technical reports literature"@en . . . "Technical information sources. A guide to patents standards and technical reports literature"@en . . . . "Technical information sources : A guide to patents standards and technical reports literature" . . . "Technical information sources : a guide to patent specifications, standards and technical reports literature" . "Technical information sources : a guide to patents, standard and technical report literature"@en . . . . . . . . . . "Technical information sources: a guide to patents, standards and technical reports literature" . . . . . . . . "Information on how to locate patents and technical reports. British publication with British emphasis." . . . "Technical information sources : a guide to patents, standards and technical reports literature" . . "Technical information sources : a guide to patents, standards and technical reports literature"@en . "Documentation technique." . . "Patents d'invenció" . . "Patents d'invenció." .